Answer:
<h2>c. ∠5 and ∠7</h2>
Step-by-step explanation:
Look at the picture.
Vertical angles are congruent.
On your picture:
∠1 and ∠3
∠2 and ∠4
∠5 and ∠7
∠6 and ∠8
For part (a), you're looking to find
such that
You have
and
Setting these equal, you get
For part (b), you have
and you want to find
such that
You have
and
Setting them equal gives
Well a cylinder is the only 3 dimensional shape given so that might be it
If you use pemdas you would get 2.11